05007085 is referenced by 193 patents and cites 25 patents.

A data processing system is disclosed which is equipped with a secure user friendly input system. The input system comprises an array of horizontal and vertical conductor supported on a flexible, transparent overlay membrane secured to the viewing surface of the display of an individual workstation and a remotely sensed personal stylus. The stylus is equipped to receive electromagnetic signals from the array and transmit signals containing information concerning the stylus position on the overlay and stylus ID to a receiver at the workstation. The input system also includes a control processor operating in stored program instructions which control the detection and log-on procedures for the remotely sensed personal stylus.

Title
Remotely sensed personal stylus
Application Number
7/264409
Publication Number
5007085
Application Date
October 28, 1988
Publication Date
April 9, 1991
Inventor
Robert L Donaldson
Annapolis
MD, US
Evon C Greanias
Chevy Chase
MD, US
Agent
Jeffrey S LaBaw
Assignee
International Business Machines Corporation
NY, US
IPC
H04L 9/32
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